1918434336700 has 36 divisors (see below), whose sum is σ = 4757717156752. Its totient is φ = 657748915200.

The previous prime is 1918434336697. The next prime is 1918434336743. The reversal of 1918434336700 is 76334348191.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1370309541 + ... + 1370310940.

Almost surely, 2^{1918434336700} is an apocalyptic number.

1918434336700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1918434336700 is an abundant number, since it is smaller than the sum of its proper divisors (2839282820052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1918434336700 is a wasteful number, since it uses less digits than its factorization.

1918434336700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2740620502 (or 2740620495 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 49.

The spelling of 1918434336700 in words is "one trillion, nine hundred eighteen billion, four hundred thirty-four million, three hundred thirty-six thousand, seven hundred".